import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;


public class cecds {
    public static void main(String[] args) {
       ExecutorService executorService = Executors.newFixedThreadPool(4);
        executorService.submit(new Runnable() {
            @Override
            public void run() {
                System.out.println("fds");
            }
        });
    }
}
